以下資料來自asus網站的有關P8Z77-V的規格
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2 x PCIe 3.0/2.0 x16 (x16 or dual x8) *3
1 x PCIe 2.0 x16 (x4 mode, black)
2 x PCIe 2.0 x1 *4
2 x PCI
*3: PCIe 3.0 speed is supported by Intel® 3rd generation Core™ processors
*4: The PCIe x1_2 shares bandwidth with SATA6G_E12. SATA6G_E12 is enabled by default for system resource optimization.